This tests that DOMKeyboardEvents are created correctly in the ObjC API. See bug 9736.

keydown - key: U+000041@0 (keyCode/charCode: 0/0) modifiers: true,false,false,false

keypress - key: U+000045@1 (keyCode/charCode: 0/0) modifiers: false,true,false,false

keyup - key: U+000056@0 (keyCode/charCode: 0/0) modifiers: false,false,false,false